Analysis of interatomic Contacts of Structural Units in PDB entry:
1IYJ

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 1IYJ entry

There are 4 chains in PDB entry 1IYJ (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 6	HIS 63
B	PHE 2403	LYS 3117
C	GLN 6	HIS 63
D	PHE 2403	LYS 3117

There are 42 helices in PDB entry 1IYJ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	49	53	Right-handed 310
Helix 2	2	A	57	62	Right-handed alpha
Helix 3	3	B	2409	2429	Right-handed alpha
Helix 4	4	B	2452	2458	Right-handed alpha
Helix 5	5	B	2469	2474	Right-handed alpha
Helix 6	6	B	2478	2482	Right-handed 310
Helix 7	7	B	2493	2499	Right-handed alpha
Helix 8	8	B	2512	2514	Right-handed 310
Helix 9	9	B	2526	2536	Right-handed alpha
Helix 10	10	B	2541	2545	Right-handed 310
Helix 11	11	B	2546	2568	Right-handed alpha
Helix 12	12	B	2578	2594	Right-handed alpha
Helix 13	13	B	2600	2607	Right-handed alpha
Helix 14	14	B	2663	2672	Right-handed alpha
Helix 15	15	B	2696	2700	Right-handed 310
Helix 16	16	B	2773	2783	Right-handed alpha
Helix 17	17	B	2969	2974	Right-handed alpha
Helix 18	18	B	2984	2990	Right-handed 310
Helix 19	19	B	2995	2997	Right-handed 310
Helix 20	20	B	3079	3098	Right-handed alpha
Helix 21	21	B	3100	3111	Right-handed alpha
Helix 22	22	C	49	53	Right-handed 310
Helix 23	23	C	57	62	Right-handed alpha
Helix 24	24	D	2409	2429	Right-handed alpha
Helix 25	25	D	2453	2458	Right-handed alpha
Helix 26	26	D	2469	2474	Right-handed alpha
Helix 27	27	D	2478	2482	Right-handed 310
Helix 28	28	D	2493	2499	Right-handed alpha
Helix 29	29	D	2512	2514	Right-handed 310
Helix 30	30	D	2526	2536	Right-handed alpha
Helix 31	31	D	2541	2545	Right-handed 310
Helix 32	32	D	2546	2568	Right-handed alpha
Helix 33	33	D	2578	2594	Right-handed alpha
Helix 34	34	D	2600	2607	Right-handed alpha
Helix 35	35	D	2663	2672	Right-handed alpha
Helix 36	36	D	2696	2700	Right-handed 310
Helix 37	37	D	2773	2783	Right-handed alpha
Helix 38	38	D	2969	2974	Right-handed alpha
Helix 39	39	D	2984	2990	Right-handed 310
Helix 40	40	D	2995	2997	Right-handed 310
Helix 41	41	D	3079	3098	Right-handed alpha
Helix 42	42	D	3100	3111	Right-handed alpha

There are 17 sheets in PDB entry 1IYJ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q,

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2509	2511	first strand
Strand 2	B	2515	2517	anti-parallel

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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2713	2715	first strand
Strand 2	B	2680	2683	anti-parallel
Strand 3	B	2616	2622	anti-parallel
Strand 4	B	2649	2652	anti-parallel
Strand 5	B	2657	2660	anti-parallel

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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2713	2715	first strand
Strand 2	B	2680	2683	anti-parallel
Strand 3	B	2616	2622	anti-parallel
Strand 4	B	2723	2724	anti-parallel

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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2687	2689	first strand
Strand 2	B	2705	2707	anti-parallel

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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2747	2748	first strand
Strand 2	B	2934	2937	anti-parallel
Strand 3	B	2962	2965	anti-parallel

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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2913	2918	first strand
Strand 2	B	2895	2903	anti-parallel
Strand 3	B	2754	2755	anti-parallel

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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2913	2918	first strand
Strand 2	B	2895	2903	anti-parallel
Strand 3	B	2759	2763	anti-parallel
Strand 4	B	2769	2772	anti-parallel

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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	2999	3005	first strand
Strand 2	B	3046	3054	anti-parallel
Strand 3	B	3064	3074	anti-parallel
Strand 4	B	3028	3033	parallel
Strand 5	B	3018	3022	anti-parallel
Strand 6	B	3008	3010	anti-parallel

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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	13	14	first strand
Strand 2	D	2451	2452	parallel

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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2509	2511	first strand
Strand 2	D	2515	2517	anti-parallel

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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2713	2715	first strand
Strand 2	D	2680	2683	anti-parallel
Strand 3	D	2616	2622	anti-parallel
Strand 4	D	2649	2652	anti-parallel
Strand 5	D	2657	2660	anti-parallel

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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2713	2715	first strand
Strand 2	D	2680	2683	anti-parallel
Strand 3	D	2616	2622	anti-parallel
Strand 4	D	2723	2724	anti-parallel

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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2687	2689	first strand
Strand 2	D	2705	2707	anti-parallel

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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2747	2748	first strand
Strand 2	D	2934	2937	anti-parallel
Strand 3	D	2962	2965	anti-parallel

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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2913	2918	first strand
Strand 2	D	2895	2903	anti-parallel
Strand 3	D	2754	2755	anti-parallel

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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2913	2918	first strand
Strand 2	D	2895	2903	anti-parallel
Strand 3	D	2759	2763	anti-parallel
Strand 4	D	2769	2772	anti-parallel

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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2999	3005	first strand
Strand 2	D	3046	3054	anti-parallel
Strand 3	D	3064	3074	anti-parallel
Strand 4	D	3028	3033	parallel
Strand 5	D	3018	3022	anti-parallel
Strand 6	D	3008	3010	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 1IYJ

Analysis of interatomic Contacts of Structural Units in PDB entry:
1IYJ